10990280 has 32 divisors (see below), whose sum is σ = 28261440. Its totient is φ = 3768000.

The previous prime is 10990261. The next prime is 10990289. The reversal of 10990280 is 8209901.

10990280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (10990289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19346 + ... + 19905.

It is an arithmetic number, because the mean of its divisors is an integer number (883170).

Almost surely, 2^10990280 is an apocalyptic number.

10990280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10990280 is an abundant number, since it is smaller than the sum of its proper divisors (17271160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10990280 is a wasteful number, since it uses less digits than its factorization.

10990280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39269 (or 39265 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 10990280 is about 3315.1591213696. The cubic root of 10990280 is about 222.3324834302.

The spelling of 10990280 in words is "ten million, nine hundred ninety thousand, two hundred eighty".